Objects in the image:
category: person
category: person
category: person
category: person
category: skateboard
category: person
category: skateboard
category: person
category: skateboard
category: person
category: skateboard
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is a human?
a: Yes
q: the one in the air with red shirt?
a: No
q: the man in black shirt in the left?
a: Yes